“…Many such hybrid techniques have been investigated to injection molding optimization also, like GA with the Taguchi method for minimizing warpage of molded components [98], GA with ANN for optimizing the initial process settings [81], genetic neural fuzzy system with 2-stage hybrid learning algorithm to predict product weight [63,64], GA with BPNN to achieve the optimal quality in terms of shear stress [101] and to minimize volumetric shrinkage [100], the Taguchi method combined with ANN and GA to achieve the minimal single response output in terms of warpage in a bus ceiling lamp base [55] and to save energy by multi-objective optimization of process parameters [70], the Taguchi method combined with BPNN and GA to determine the set of data in multiple-input single-output (MISO) by optimizing product weight [17] and to achieve multi response outputs [20], the Taguchi method and response surface method combined with BPNN and GA for predicting mechanical properties by estimating an optimal set of process parameters [110], the Taguchi method with Moldflow ® for finding the efficient frontier for a thin digital camera cover in a MIMO environment [24], Moldflow ® and orthogonal experiment method integrated with BPNN and GA to determine the optimal set of process parameters for optimizing warpage and clamp force [122], the variable complexity method combined with BPNN and GA to mice manufacturing for optimizing multiple objectives [26], GA with response surface methodology to achieve the optimal single response in terms of warpage in thin shell plastic parts [54] and to minimize sink depth in thermoplastic components [75], simulated annealing with ANN to predict part warpage in runner system by optimizing the runner dimensions [121], GA with a gradient-based method to find the optimum process parameters [59], PSO with ANN to optimize process parameters [103], BPNN with the Taguchi method and Davidson-Fletcher-Powell method to determine multiple input process parameters in order to achieve the desired product weight as the single output [18,19], the Latin hypercube sampling method combined with the Kriging method and multi-objective PSO to achieve a better Pareto frontier by reducing simulation cost [21], the response surface method integrated with Moldflow ® and Lingo software to optimize process parameters with corresponding output of warpage and shrinkage [22], GA with the mode-pursuing sampling method for achieving minimum warpage [30], ANN and artificial bee colony algorithm to determine the set of process parameters by minimizing warpage of molded components [42], the Taguchi method ...…”